//*****************************************************************************
// Copyright 2017-2020 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************

#pragma once

#include "ngraph/node.hpp"
#include "ngraph/pattern/op/pattern.hpp"

namespace ngraph
{
    namespace pattern
    {
        namespace op
        {
            class Or;
        }
    }
}

/// A submatch on the graph value is performed on each input to the Or; the match
/// succeeds on the first match. Otherwise the match fails.
class NGRAPH_API ngraph::pattern::op::Or : public Pattern
{
public:
    static constexpr NodeTypeInfo type_info{"patternOr", 0};
    const NodeTypeInfo& get_type_info() const override;
    /// \brief creates an Or node matching one of several sub-patterns in order. Does
    /// not add node to match list.
    /// \param patterns The patterns to try for matching
    Or(const OutputVector& patterns)
        : Pattern(patterns)
    {
    }

    bool match_value(pattern::Matcher* matcher,
                     const Output<Node>& pattern_value,
                     const Output<Node>& graph_value) override;
};
